[Linux-decnet-user] LATD: problem with DECServer 90L+
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From: <hic...@se...> - 2002-09-09 09:04:20
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Hi guys, I've googled the web but didn't find anything suitable .. maybe you could help. We have several terminals, connected to terminal server, which speaks LAT only (no telnet). It connected the terms to a VAX machine. Now the VAX will be shutdown and removed, but they want to keep terminals for students access to e-mail. I put latd 1.15 from debian unstable package on my linux woody server named Phobos. Things seem to start good, when I 'c phobos' from a vt420 connected to 90L+, the terminal server discovers via dec broadcast the MAC address of the server and starts talking to it. I've captured the communication, 08-00-etc is the term server, 00-50-etc is the linux box: 1. 08-00-2b-31-0d-e4 -> 00-50-da-44-0c-70 C, Start, 0x7304->0x00 2. 00-50-da-44-0c-70 -> 08-00-2b-31-0d-e4 R, Start, 0x35->0x7304 3. the same as 2 4. the same as 2 .. after the first query from term server, there are 21 equivalent responses sent from linux box. These are ignored by term server, no more messages addressed from 0x7304 to 0x35 appear. Then term server asks the C, Start again, and linux box responds with the same packets as before, only the number is one higher (0x36). When the linux box timeouts on the circuit, it sends 21 C, Stop messages from 0x35. The same happens several times around, the amount of messages the linux box sends is always different. When they reach 0x3d, the term server gives up and terminal shows "Service Unavailable" error. Then term server sends C, Stop, 0x00->0x00 .. and linux box sends more than hundred C, Stop, 0x3D->0x7304 LAT packets. Many thanks for any idea as to what can be wrong. -- jozef :-) |